package main


import (
	"fmt"
	"math/cmplx"
)


var(
	Tobe bool=false
	MaxInt uint64 =1<<64-1
	z complex128 =cmplx.Sqrt(-5+12i)

)

func main() {
	const f="%T(%v)\n"
	fmt.Printf(f,Tobe,Tobe)
	fmt.Printf(f,MaxInt,MaxInt)
	fmt.Printf(f,z,z)
}